In particular ... cruises up around the North Cape? I know the days are longer during the periods these cruises take place, and that viewing the Aurora is supposedly optimized in near total darkness.
Welcome to Cruise Critic! If you'd like to participate on our forums by joining in the conversation, please Register Now! Be sure to visit our FAMOUS Roll Call forums, where you can meet other cruisers sailing with you and share a tour or shore excursion and SAVE MONEY!